Finding the Fourth Proportional to 281,556.32, 421,352.70 and 230,363.70
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Solution
The fourth proportional to 281,556.32, 421,352.70 and 230,363.70 is: 344,742.28
Step by Step Solution
- Step 1: Write the proportion equation
281,556.32 : 421,352.70 = 230,363.70 : x - Step 2: Convert to fraction form
281,556.32/421,352.70 = 230,363.70/x - Step 3: Cross multiply
281,556.32x = 421,352.70 × 230,363.70 - Step 4: Simplify right side
281,556.32x = 97,064,366,976.99 - Step 5: Solve for x
x = 97,064,366,976.99/281,556.32 - Step 6: Final answer
x = 344,742.28
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.